Home / 43,584.96-65,321.24-21,090.35

Finding the Fourth Proportional to 43,584.96, 65,321.24 and 21,090.35

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Solution

The fourth proportional to 43,584.96, 65,321.24 and 21,090.35 is: 31,608.33

Step by Step Solution

  1. Step 1: Write the proportion equation
    43,584.96 : 65,321.24 = 21,090.35 : x
  2. Step 2: Convert to fraction form
    43,584.96/65,321.24 = 21,090.35/x
  3. Step 3: Cross multiply
    43,584.96x = 65,321.24 × 21,090.35
  4. Step 4: Simplify right side
    43,584.96x = 1,377,647,708.58
  5. Step 5: Solve for x
    x = 1,377,647,708.58/43,584.96
  6. Step 6: Final answer
    x = 31,608.33

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.